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29213 (1991 SJ)
Classification: Main-belt Asteroid          SPK-ID: 2029213
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166721250363587 5.4453e-08  
a 2.196577938718903 9.1911e-09 au
q 1.940298522800584 1.1955e-07 au
i 5.200461307434371 4.8582e-06 deg
node 139.4970479894222 6.2214e-05 deg
peri 83.54840189176984 6.548e-05 deg
M 285.4328419975004 2.13e-05 deg
tp 2457646.799450727790
(2016-Sep-15.29945073)
7.0749e-05 JED
period 1189.09992867144
3.26
7.4633e-06
2.043e-08
d
yr
n .3027499971362554 1.9002e-09 deg/d
Q 2.452857354637222 1.0263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1127  
   data-arc span      8862 days (24.26 yr)  
   first obs. used      1991-09-15  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49099  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:09:23  

Additional Information
 Earth MOID = .939384 au 
 Jupiter MOID = 2.52904 au 
 T_jup = 3.654 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a MPO309380  

29213 (1991 SJ)          Discovered 1991-Sep-29 by McNaught, R. H. at Siding Spring
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 SJ = 2000 CB95 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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